Author: ganbold
Date: Tue Mar 31 11:50:46 2015
New Revision: 280905
URL: https://svnweb.freebsd.org/changeset/base/280905
Log:
Add necessary changes to support various Amlogic SoC devices
specially aml8726-m6 and aml8726-m8b SoC based devices.
aml8726-m6 SoC exist in devices such as Visson ATV-102.
Hardkernel ODROID-C1 board has aml8726-m8b SoC.
The following support is included:
Basic machdep code
SMP
Interrupt controller
Clock control driver (aka gate)
Pinctrl
Timer
Real time clock
UART
GPIO
I2C
SD controller
SDXC controller
USB
Watchdog
Random number generator
PLL / Clock frequency measurement
Frame buffer
Submitted by: John Wehle
Approved by: stas (mentor)
Added:
head/sys/arm/amlogic/
head/sys/arm/amlogic/aml8726/
head/sys/arm/amlogic/aml8726/aml8726_ccm.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_ccm.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_clkmsr.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_clkmsr.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_fb.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_fb.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_gpio.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_i2c.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_identsoc.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_l2cache.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_machdep.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_machdep.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_mmc.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_mmc.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_mp.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_pic.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_pinctrl.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_pinctrl.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_rng.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_rtc.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_sdxc-m8.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_sdxc-m8.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_soc.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_timer.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_uart.h (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_uart_console.c (contents, props
changed)
head/sys/arm/amlogic/aml8726/aml8726_usb_phy-m6.c (contents, props changed)
head/sys/arm/amlogic/aml8726/aml8726_wdt.c (contents, props changed)
head/sys/arm/amlogic/aml8726/files.aml8726 (contents, props changed)
head/sys/arm/amlogic/aml8726/files.smp (contents, props changed)
head/sys/arm/amlogic/aml8726/std.aml8726 (contents, props changed)
head/sys/arm/amlogic/aml8726/std.odroidc1 (contents, props changed)
head/sys/arm/amlogic/aml8726/std.vsatv102-m6 (contents, props changed)
head/sys/arm/amlogic/aml8726/uart_dev_aml8726.c (contents, props changed)
Modified:
head/sys/arm/arm/gic.c
head/sys/conf/options.arm
head/sys/dev/mmc/mmc.c
Added: head/sys/arm/amlogic/aml8726/aml8726_ccm.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/amlogic/aml8726/aml8726_ccm.c Tue Mar 31 11:50:46 2015
(r280905)
@@ -0,0 +1,231 @@
+/*-
+ * Copyright 2015 John Wehle <j...@feith.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Amlogic aml8726 clock control module driver.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/resource.h>
+#include <sys/rman.h>
+
+#include <machine/bus.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/amlogic/aml8726/aml8726_soc.h>
+#include <arm/amlogic/aml8726/aml8726_ccm.h>
+
+
+struct aml8726_ccm_softc {
+ device_t dev;
+ struct aml8726_ccm_function *soc;
+ struct resource *res[1];
+ struct mtx mtx;
+};
+
+static struct resource_spec aml8726_ccm_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+#define AML_CCM_LOCK(sc) mtx_lock(&(sc)->mtx)
+#define AML_CCM_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
+#define AML_CCM_LOCK_INIT(sc) \
+ mtx_init(&(sc)->mtx, device_get_nameunit((sc)->dev), \
+ "ccm", MTX_DEF)
+#define AML_CCM_LOCK_DESTROY(sc) mtx_destroy(&(sc)->mtx);
+
+#define CSR_WRITE_4(sc, reg, val) bus_write_4((sc)->res[0], reg,
(val))
+#define CSR_READ_4(sc, reg) bus_read_4((sc)->res[0], reg)
+
+static int
+aml8726_ccm_configure_gates(struct aml8726_ccm_softc *sc)
+{
+ struct aml8726_ccm_function *f;
+ struct aml8726_ccm_gate *g;
+ char *function_name;
+ char *functions;
+ phandle_t node;
+ ssize_t len;
+ uint32_t value;
+
+ node = ofw_bus_get_node(sc->dev);
+
+ len = OF_getprop_alloc(node, "functions", sizeof(char),
+ (void **)&functions);
+
+ if (len < 0) {
+ device_printf(sc->dev, "missing functions attribute in FDT\n");
+ return (ENXIO);
+ }
+
+ function_name = functions;
+
+ while (len) {
+ for (f = sc->soc; f->name != NULL; f++)
+ if (strncmp(f->name, function_name, len) == 0)
+ break;
+
+ if (f->name == NULL) {
+ /* display message prior to queuing up next string */
+ device_printf(sc->dev,
+ "unknown function attribute %.*s in FDT\n",
+ len, function_name);
+ }
+
+ /* queue up next string */
+ while (*function_name && len) {
+ function_name++;
+ len--;
+ }
+ if (len) {
+ function_name++;
+ len--;
+ }
+
+ if (f->name == NULL)
+ continue;
+
+ AML_CCM_LOCK(sc);
+
+ /*
+ * Enable the clock gates necessary for the function.
+ *
+ * In some cases a clock may be shared across functions
+ * (meaning don't disable a clock without ensuring that
+ * it's not required by someone else).
+ */
+ for (g = f->gates; g->bits != 0x00000000; g++) {
+ value = CSR_READ_4(sc, g->addr);
+ value |= g->bits;
+ CSR_WRITE_4(sc, g->addr, value);
+ }
+
+ AML_CCM_UNLOCK(sc);
+ }
+
+ free(functions, M_OFWPROP);
+
+ return (0);
+}
+
+static int
+aml8726_ccm_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "amlogic,aml8726-ccm"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Amlogic aml8726 ccm");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+aml8726_ccm_attach(device_t dev)
+{
+ struct aml8726_ccm_softc *sc = device_get_softc(dev);
+
+ sc->dev = dev;
+
+ switch (aml8726_soc_hw_rev) {
+ case AML_SOC_HW_REV_M3:
+ sc->soc = aml8726_m3_ccm;
+ break;
+ case AML_SOC_HW_REV_M6:
+ sc->soc = aml8726_m6_ccm;
+ break;
+ case AML_SOC_HW_REV_M8:
+ sc->soc = aml8726_m8_ccm;
+ break;
+ case AML_SOC_HW_REV_M8B:
+ sc->soc = aml8726_m8b_ccm;
+ break;
+ default:
+ device_printf(dev, "unsupported SoC\n");
+ return (ENXIO);
+ /* NOTREACHED */
+ break;
+ }
+
+ if (bus_alloc_resources(dev, aml8726_ccm_spec, sc->res)) {
+ device_printf(dev, "can not allocate resources for device\n");
+ return (ENXIO);
+ }
+
+ AML_CCM_LOCK_INIT(sc);
+
+ return (aml8726_ccm_configure_gates(sc));
+}
+
+static int
+aml8726_ccm_detach(device_t dev)
+{
+ struct aml8726_ccm_softc *sc = device_get_softc(dev);
+
+ AML_CCM_LOCK_DESTROY(sc);
+
+ bus_release_resources(dev, aml8726_ccm_spec, sc->res);
+
+ return (0);
+}
+
+static device_method_t aml8726_ccm_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, aml8726_ccm_probe),
+ DEVMETHOD(device_attach, aml8726_ccm_attach),
+ DEVMETHOD(device_detach, aml8726_ccm_detach),
+
+ DEVMETHOD_END
+};
+
+static driver_t aml8726_ccm_driver = {
+ "ccm",
+ aml8726_ccm_methods,
+ sizeof(struct aml8726_ccm_softc),
+};
+
+static devclass_t aml8726_ccm_devclass;
+
+EARLY_DRIVER_MODULE(ccm, simplebus, aml8726_ccm_driver,
+ aml8726_ccm_devclass, 0, 0, BUS_PASS_CPU + BUS_PASS_ORDER_LATE);
Added: head/sys/arm/amlogic/aml8726/aml8726_ccm.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/amlogic/aml8726/aml8726_ccm.h Tue Mar 31 11:50:46 2015
(r280905)
@@ -0,0 +1,325 @@
+/*-
+ * Copyright 2015 John Wehle <j...@feith.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _ARM_AMLOGIC_AML8726_CCM_H
+#define _ARM_AMLOGIC_AML8726_CCM_H
+
+
+struct aml8726_ccm_gate {
+ uint32_t addr;
+ uint32_t bits;
+};
+
+struct aml8726_ccm_function {
+ const char *name;
+ struct aml8726_ccm_gate *gates;
+};
+
+
+/*
+ * aml8726-m3
+ */
+
+static struct aml8726_ccm_gate aml8726_m3_ethernet[] = {
+ { 4, 0x00000008 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_i2c[] = {
+ { 0, 0x00000200 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_rng[] = {
+ { 0, 0x00001000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_sdio[] = {
+ { 0, 0x00020000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_sdxc[] = {
+ { 0, 0x00004000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_uart_a[] = {
+ { 0, 0x00002000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_uart_b[] = {
+ { 4, 0x00010000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_uart_c[] = {
+ { 8, 0x00008000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_usb_a[] = {
+ { 4, 0x00200000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m3_usb_b[] = {
+ { 4, 0x00400000 },
+ { 0, 0x00000000 }
+};
+
+struct aml8726_ccm_function aml8726_m3_ccm[] = {
+ { "ethernet", aml8726_m3_ethernet },
+ { "i2c", aml8726_m3_i2c },
+ { "rng", aml8726_m3_rng },
+ { "sdio", aml8726_m3_sdio },
+ { "sdxc", aml8726_m3_sdxc },
+ { "uart-a", aml8726_m3_uart_a },
+ { "uart-b", aml8726_m3_uart_b },
+ { "uart-c", aml8726_m3_uart_c },
+ { "usb-a", aml8726_m3_usb_a },
+ { "usb-b", aml8726_m3_usb_b },
+ { NULL }
+};
+
+
+/*
+ * aml8726-m6
+ */
+
+static struct aml8726_ccm_gate aml8726_m6_ethernet[] = {
+ { 4, 0x00000008 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_i2c[] = {
+ { 0, 0x00000200 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_rng[] = {
+ { 0, 0x00001000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_sdio[] = {
+ { 0, 0x00020000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_sdxc[] = {
+ { 0, 0x00004000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_uart_a[] = {
+ { 0, 0x00002000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_uart_b[] = {
+ { 4, 0x00010000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_uart_c[] = {
+ { 8, 0x00008000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_usb_a[] = {
+ { 4, 0x00200000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m6_usb_b[] = {
+ { 4, 0x00400000 },
+ { 0, 0x00000000 }
+};
+
+struct aml8726_ccm_function aml8726_m6_ccm[] = {
+ { "ethernet", aml8726_m6_ethernet },
+ { "i2c", aml8726_m6_i2c },
+ { "rng", aml8726_m6_rng },
+ { "sdio", aml8726_m6_sdio },
+ { "sdxc", aml8726_m6_sdxc },
+ { "uart-a", aml8726_m6_uart_a },
+ { "uart-b", aml8726_m6_uart_b },
+ { "uart-c", aml8726_m6_uart_c },
+ { "usb-a", aml8726_m6_usb_a },
+ { "usb-b", aml8726_m6_usb_b },
+ { NULL }
+};
+
+
+/*
+ * aml8726-m8
+ */
+
+static struct aml8726_ccm_gate aml8726_m8_ethernet[] = {
+ { 4, 0x00000008 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_i2c[] = {
+ { 0, 0x00000200 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_rng[] = {
+ { 0, 0x00001000 },
+ { 16, 0x00200000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_sdio[] = {
+ { 0, 0x00020000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_sdxc[] = {
+ { 0, 0x00004000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_uart_a[] = {
+ { 0, 0x00002000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_uart_b[] = {
+ { 4, 0x00010000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_uart_c[] = {
+ { 8, 0x00008000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_usb_a[] = {
+ { 4, 0x00200000 },
+ { 4, 0x04000000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8_usb_b[] = {
+ { 4, 0x00400000 },
+ { 4, 0x04000000 },
+ { 0, 0x00000000 }
+};
+
+struct aml8726_ccm_function aml8726_m8_ccm[] = {
+ { "ethernet", aml8726_m8_ethernet },
+ { "i2c", aml8726_m8_i2c },
+ { "rng", aml8726_m8_rng },
+ { "sdio", aml8726_m8_sdio },
+ { "sdxc", aml8726_m8_sdxc },
+ { "uart-a", aml8726_m8_uart_a },
+ { "uart-b", aml8726_m8_uart_b },
+ { "uart-c", aml8726_m8_uart_c },
+ { "usb-a", aml8726_m8_usb_a },
+ { "usb-b", aml8726_m8_usb_b },
+ { NULL }
+};
+
+
+/*
+ * aml8726-m8b
+ */
+
+static struct aml8726_ccm_gate aml8726_m8b_ethernet[] = {
+ { 4, 0x00000008 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_i2c[] = {
+ { 0, 0x00000200 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_rng[] = {
+ { 0, 0x00001000 },
+ { 16, 0x00200000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_sdio[] = {
+ { 0, 0x00020000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_sdxc[] = {
+ { 0, 0x00004000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_uart_a[] = {
+ { 0, 0x00002000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_uart_b[] = {
+ { 4, 0x00010000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_uart_c[] = {
+ { 8, 0x00008000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_usb_a[] = {
+ { 4, 0x00200000 },
+ { 4, 0x04000000 },
+ { 0, 0x00000000 }
+};
+
+static struct aml8726_ccm_gate aml8726_m8b_usb_b[] = {
+ { 4, 0x00400000 },
+ { 4, 0x04000000 },
+ { 0, 0x00000000 }
+};
+
+struct aml8726_ccm_function aml8726_m8b_ccm[] = {
+ { "ethernet", aml8726_m8b_ethernet },
+ { "i2c", aml8726_m8b_i2c },
+ { "rng", aml8726_m8b_rng },
+ { "sdio", aml8726_m8b_sdio },
+ { "sdxc", aml8726_m8b_sdxc },
+ { "uart-a", aml8726_m8b_uart_a },
+ { "uart-b", aml8726_m8b_uart_b },
+ { "uart-c", aml8726_m8b_uart_c },
+ { "usb-a", aml8726_m8b_usb_a },
+ { "usb-b", aml8726_m8b_usb_b },
+ { NULL }
+};
+
+#endif /* _ARM_AMLOGIC_AML8726_CCM_H */
Added: head/sys/arm/amlogic/aml8726/aml8726_clkmsr.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/amlogic/aml8726/aml8726_clkmsr.c Tue Mar 31 11:50:46
2015 (r280905)
@@ -0,0 +1,271 @@
+/*-
+ * Copyright 2014-2015 John Wehle <j...@feith.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+/*
+ * Amlogic aml8726 clock measurement driver.
+ *
+ * This allows various clock rates to be determine at runtime.
+ * The measurements are done once and are not expected to change
+ * (i.e. FDT fixup provides clk81 as bus-frequency to the MMC
+ * and UART drivers which use the value when programming the
+ * hardware).
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timetc.h>
+#include <sys/timeet.h>
+
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/fdt.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/amlogic/aml8726/aml8726_clkmsr.h>
+
+
+static struct aml8726_clkmsr_clk {
+ const char * name;
+ uint32_t mux;
+} aml8726_clkmsr_clks[] = {
+ { "clk81", 7 },
+};
+
+#define AML_CLKMSR_CLK81 0
+
+#define AML_CLKMSR_NCLKS (sizeof(aml8726_clkmsr_clks) \
+ / sizeof(aml8726_clkmsr_clks[0]))
+
+struct aml8726_clkmsr_softc {
+ device_t dev;
+ struct resource * res[1];
+};
+
+static struct resource_spec aml8726_clkmsr_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+/*
+ * Duration can range from 1uS to 65535 uS and should be chosen
+ * based on the expected frequency result so to maximize resolution
+ * and avoid overflowing the 16 bit result counter.
+ */
+#define AML_CLKMSR_DURATION 32
+
+#define AML_CLKMSR_DUTY_REG 0
+#define AML_CLKMSR_0_REG 4
+#define AML_CLKMSR_0_BUSY (1U << 31)
+#define AML_CLKMSR_0_MUX_MASK (0x3f << 20)
+#define AML_CLKMSR_0_MUX_SHIFT 20
+#define AML_CLKMSR_0_MUX_EN (1 << 19)
+#define AML_CLKMSR_0_MEASURE (1 << 16)
+#define AML_CLKMSR_0_DURATION_MASK 0xffff
+#define AML_CLKMSR_0_DURATION_SHIFT 0
+#define AML_CLKMSR_1_REG 8
+#define AML_CLKMSR_2_REG 12
+#define AML_CLKMSR_2_RESULT_MASK 0xffff
+#define AML_CLKMSR_2_RESULT_SHIFT 0
+
+#define CSR_WRITE_4(sc, reg, val) bus_write_4((sc)->res[0], reg, (val))
+#define CSR_READ_4(sc, reg) bus_read_4((sc)->res[0], reg)
+#define CSR_BARRIER(sc, reg) bus_barrier((sc)->res[0], reg, 4, \
+ (BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE))
+
+static int
+aml8726_clkmsr_clock_frequency(struct aml8726_clkmsr_softc *sc, unsigned clock)
+{
+ uint32_t value;
+
+ if (clock >= AML_CLKMSR_NCLKS)
+ return (0);
+
+ /*
+ * Locking is not used as this is only expected to be called from
+ * FDT fixup (which occurs prior to driver initialization) or attach.
+ */
+
+ CSR_WRITE_4(sc, AML_CLKMSR_0_REG, 0);
+
+ CSR_BARRIER(sc, AML_CLKMSR_0_REG);
+
+ value = (aml8726_clkmsr_clks[clock].mux << AML_CLKMSR_0_MUX_SHIFT)
+ | ((AML_CLKMSR_DURATION - 1) << AML_CLKMSR_0_DURATION_SHIFT)
+ | AML_CLKMSR_0_MUX_EN
+ | AML_CLKMSR_0_MEASURE;
+ CSR_WRITE_4(sc, AML_CLKMSR_0_REG, value);
+
+ CSR_BARRIER(sc, AML_CLKMSR_0_REG);
+
+ while ((CSR_READ_4(sc, AML_CLKMSR_0_REG) & AML_CLKMSR_0_BUSY) != 0)
+ cpu_spinwait();
+
+ value &= ~AML_CLKMSR_0_MEASURE;
+ CSR_WRITE_4(sc, AML_CLKMSR_0_REG, value);
+
+ CSR_BARRIER(sc, AML_CLKMSR_0_REG);
+
+ value = (((CSR_READ_4(sc, AML_CLKMSR_2_REG) & AML_CLKMSR_2_RESULT_MASK)
+ >> AML_CLKMSR_2_RESULT_SHIFT) + AML_CLKMSR_DURATION / 2) /
+ AML_CLKMSR_DURATION;
+
+ return value;
+}
+
+static int
+aml8726_clkmsr_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "amlogic,aml8726-clkmsr"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Amlogic aml8726 clkmsr");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+aml8726_clkmsr_attach(device_t dev)
+{
+ struct aml8726_clkmsr_softc *sc = device_get_softc(dev);
+ int freq;
+
+ sc->dev = dev;
+
+ if (bus_alloc_resources(dev, aml8726_clkmsr_spec, sc->res)) {
+ device_printf(dev, "can not allocate resources for device\n");
+ return (ENXIO);
+ }
+
+ freq = aml8726_clkmsr_clock_frequency(sc, AML_CLKMSR_CLK81);
+ device_printf(sc->dev, "bus clock %u MHz\n", freq);
+
+ return (0);
+}
+
+static int
+aml8726_clkmsr_detach(device_t dev)
+{
+ struct aml8726_clkmsr_softc *sc = device_get_softc(dev);
+
+ bus_release_resources(dev, aml8726_clkmsr_spec, sc->res);
+
+ return (0);
+}
+
+
+static device_method_t aml8726_clkmsr_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, aml8726_clkmsr_probe),
+ DEVMETHOD(device_attach, aml8726_clkmsr_attach),
+ DEVMETHOD(device_detach, aml8726_clkmsr_detach),
+
+ DEVMETHOD_END
+};
+
+static driver_t aml8726_clkmsr_driver = {
+ "clkmsr",
+ aml8726_clkmsr_methods,
+ sizeof(struct aml8726_clkmsr_softc),
+};
+
+static devclass_t aml8726_clkmsr_devclass;
+
+DRIVER_MODULE(clkmsr, simplebus, aml8726_clkmsr_driver,
+ aml8726_clkmsr_devclass, 0, 0);
+
+int
+aml8726_clkmsr_bus_frequency()
+{
+ struct resource mem;
+ struct aml8726_clkmsr_softc sc;
+ phandle_t node;
+ u_long pbase, psize;
+ u_long start, size;
+ int freq;
+
+ /*
+ * Try to access the clkmsr node directly i.e. through /aliases/.
+ */
+
+ if ((node = OF_finddevice("clkmsr")) != 0)
+ if (fdt_is_compatible_strict(node, "amlogic,aml8726-clkmsr"))
+ goto moveon;
+
+ /*
+ * Find the node the long way.
+ */
+ if ((node = OF_finddevice("/soc")) == 0)
+ return (0);
+
+ if ((node = fdt_find_compatible(node,
+ "amlogic,aml8726-clkmsr", 1)) == 0)
+ return (0);
+
+moveon:
+ if (fdt_get_range(OF_parent(node), 0, &pbase, &psize) != 0
+ || fdt_regsize(node, &start, &size) != 0)
+ return (0);
+
+ start += pbase;
+
+ memset(&mem, 0, sizeof(mem));
+
+ mem.r_bustag = fdtbus_bs_tag;
+
+ if (bus_space_map(mem.r_bustag, start, size, 0, &mem.r_bushandle) != 0)
+ return (0);
+
+ /*
+ * Build an incomplete (however sufficient for the purpose
+ * of calling aml8726_clkmsr_clock_frequency) softc.
+ */
+
+ memset(&sc, 0, sizeof(sc));
+
+ sc.res[0] = &mem;
+
+ freq = aml8726_clkmsr_clock_frequency(&sc, AML_CLKMSR_CLK81) * 1000000;
+
+ bus_space_unmap(mem.r_bustag, mem.r_bushandle, size);
+
+ return (freq);
+}
Added: head/sys/arm/amlogic/aml8726/aml8726_clkmsr.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/amlogic/aml8726/aml8726_clkmsr.h Tue Mar 31 11:50:46
2015 (r280905)
@@ -0,0 +1,34 @@
+/*-
+ * Copyright 2014 John Wehle <j...@feith.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _ARM_AMLOGIC_AML8726_CLKMSR_H
+#define _ARM_AMLOGIC_AML8726_CLKMSR_H
+
+int aml8726_clkmsr_bus_frequency(void);
+
+#endif /* _ARM_AMLOGIC_AML8726_CLKMSR_H */
Added: head/sys/arm/amlogic/aml8726/aml8726_fb.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/amlogic/aml8726/aml8726_fb.c Tue Mar 31 11:50:46 2015
(r280905)
@@ -0,0 +1,468 @@
+/*-
+ * Copyright 2013-2014 John Wehle <j...@feith.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Amlogic aml8726 frame buffer driver.
+ *
+ * The current implementation has limited flexibility.
+ * For example only progressive scan is supported when
+ * using HDMI and the resolution / frame rate is not
+ * negotiated.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/resource.h>
+#include <sys/rman.h>
+
+#include <sys/fbio.h>
+
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/fdt.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/fb/fbreg.h>
+#include <dev/vt/vt.h>
+
+#include <arm/amlogic/aml8726/aml8726_fb.h>
+
+#include "fb_if.h"
+
+
+enum aml8726_fb_output {
+ aml8726_unknown_fb_output,
+ aml8726_cvbs_fb_output,
+ aml8726_hdmi_fb_output,
+ aml8726_lcd_fb_output
+};
+
+struct aml8726_fb_clk {
+ uint32_t freq;
+ uint32_t video_pre;
+ uint32_t video_post;
+ uint32_t video_x;
+ uint32_t hdmi_tx;
+ uint32_t encp;
+ uint32_t enci;
+ uint32_t enct;
+ uint32_t encl;
+ uint32_t vdac0;
+ uint32_t vdac1;
+};
+
+struct aml8726_fb_softc {
+ device_t dev;
+ struct resource *res[4];
+ struct mtx mtx;
+ void *ih_cookie;
+ struct fb_info info;
+ enum aml8726_fb_output output;
+ struct aml8726_fb_clk clk;
+};
+
+static struct resource_spec aml8726_fb_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE }, /* CANVAS */
+ { SYS_RES_MEMORY, 1, RF_ACTIVE }, /* VIU */
+ { SYS_RES_MEMORY, 2, RF_ACTIVE }, /* VPP */
+ { SYS_RES_IRQ, 1, RF_ACTIVE }, /* INT_VIU_VSYNC */
+ { -1, 0 }
+};
+
+#define AML_FB_LOCK(sc) mtx_lock(&(sc)->mtx)
+#define AML_FB_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
+#define AML_FB_LOCK_INIT(sc) \
+ mtx_init(&(sc)->mtx, device_get_nameunit((sc)->dev), \
+ "fb", MTX_DEF)
+#define AML_FB_LOCK_DESTROY(sc) mtx_destroy(&(sc)->mtx);
+
+#define CAV_WRITE_4(sc, reg, val) bus_write_4((sc)->res[0], reg,
(val))
+#define CAV_READ_4(sc, reg) bus_read_4((sc)->res[0], reg)
+#define CAV_BARRIER(sc, reg) bus_barrier((sc)->res[0], reg,
4, \
+ (BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE))
+
+#define VIU_WRITE_4(sc, reg, val) bus_write_4((sc)->res[1], reg,
(val))
+#define VIU_READ_4(sc, reg) bus_read_4((sc)->res[1], reg)
+
+#define VPP_WRITE_4(sc, reg, val) bus_write_4((sc)->res[2], reg,
(val))
+#define VPP_READ_4(sc, reg) bus_read_4((sc)->res[2], reg)
+
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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